What makes Crystals by Of Monsters and Men notable?

The album debuted at number 6 on the Billboard 200 chart, marking a strong follow-up to their debut. Critics noted a shift towards a more polished sound, with some praising its ambitious arrangements and lyrical depth, helping to solidify the band's place in the indie pop landscape. Released on March 16, 2015, 'Crystals' is Of Monsters and Men's sophomore album, following their acclaimed debut 'My Head Is an Animal' from 2011. The band was transitioning from breakout success to establishing a more mature sound, embracing new production techniques while retaining their signature melodic style.